CVE-2024-26144
Possible Sensitive Session Information Leak in Active Storage
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Description
Rails is a web-application framework. Starting with version 5.2.0, there is a possible sensitive session information leak in Active Storage. By default, Active Storage sends a Set-Cookie header along with the user's session cookie when serving blobs. It also sets Cache-Control to public. Certain proxies may cache the Set-Cookie, leading to an information leak. The vulnerability is fixed in 7.0.8.1 and 6.1.7.7.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://discuss.rubyonrails.org/t/possible-sensitive-session-information-leak-in-active-storage/84945
- https://github.com/rails/rails/commit/723f54566023e91060a67b03353e7c03e7436433
- https://github.com/rails/rails/commit/78fe149509fac5b05e54187aaaef216fbb5fd0d3
- https://github.com/rails/rails/security/advisories/GHSA-8h22-8cf7-hq6g
References (6)
SSVC — Action Prioritization
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- LOW
- Integrity
- NONE
- Availability
- NONE
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